Lubricating oil refining solvent recovery device

Abstract

The utility model discloses a lubricating oil refining solvent recovery device which comprises a tower body, an evaporation cavity and a cooling cavity are arranged in the tower body, a first temperature conducting partition plate is arranged at the top end of the cooling cavity, a refrigerator is installed at the top end of the first temperature conducting partition plate, and a plurality of second temperature conducting partition plates are connected to the outer wall of the bottom end of the first temperature conducting partition plate. A gas distributor is arranged on the side wall of the cooling cavity, the multiple second heat conduction partition plates are arranged in parallel, the second heat conduction partition plates are perpendicular to the gas outlet direction of the gas distributor, a feeding pipe is arranged on one side of the bottom end of the evaporation cavity, a first steam guide pipe and a second steam guide pipe are arranged on one side of the top end of the evaporation cavity, and the other end of the second steam guide pipe is connected with the cooling cavity. And the gas distributor is communicated with the steam guide pipe II. Through the arrangement of the gas distributor, the first temperature conducting partition plate and the second temperature conducting partition plate, steam can enter the cooling cavity to be evenly distributed, the contact face of the steam and the refrigerator is enlarged, and the cooling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lubricating oil refining technical field especially relates to a kind of lubricating oil refining solvent recovery device. BACKGROUND

[0002] Solvent refining is an important step in the production process of lubricating oil, its main role is to remove the polycyclic aromatic hydrocarbons, gum, asphaltene and other impurities in oil, so as to improve the viscosity-temperature properties, oxidation stability, carbon residue value and color and other properties of lubricating oil, after the lubricating oil is refined by solvent, in order to realize the recycling of solvent, solvent recovery device is used to recover solvent.

[0003] Through the retrieval, the patent with Chinese patent publication No. CN216653391U discloses a kind of solvent recovery tower for lubricating oil production with adjustable, including tower body, recovery assembly is arranged in the inside of tower body, recovery assembly includes heating cavity, heating pipe, temperature controller and drive motor, heating cavity is opened at the bottom end of tower body, a plurality of heating pipes are fixedly arranged in the inside of heating cavity, temperature controller is fixedly arranged at the side of tower body, the detection end head of temperature controller is fixedly arranged in the inside of tower body, drive motor is fixedly arranged in the inside of support frame.

[0004] The patent is condensed and collected by condenser to evaporated solvent, but its evaporated solvent steam directly enters the top end of tower body from first steam pipe, steam is unevenly distributed at the top end of tower body, and the contact area of condenser with steam is small, and the condensation rate of steam is low. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a kind of lubricating oil refining solvent recovery device.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of lubricating oil refining solvent recovery device, including tower body, evaporation cavity and cooling cavity are arranged in the inside of tower body, cooling cavity top is provided with temperature guide baffle one, the top of temperature guide baffle one is installed with refrigerator, the outer wall of temperature guide baffle one bottom is connected with multiple temperature guide baffles two, gas distributor is provided in the side wall of cooling cavity, multiple temperature guide baffles two are arranged in parallel, and temperature guide baffle two and the outlet of gas distributor are perpendicular to.

[0008] As a further scheme of the utility model: the bottom end one side of evaporation cavity is provided with feed pipe, the top one side of evaporation cavity is provided with steam pipe one and steam pipe two, the other end of steam pipe two is connected with cooling cavity, gas distributor is communicated with steam pipe two.

[0009] As a further scheme of the utility model: the feed pipe, steam guide pipe one and steam guide pipe two middle section all are provided with electric control valve, cooling cavity bottom end communicates with evaporation cavity through reflux pipe.

[0010] As a further scheme of the utility model: reflux pipe middle section is provided with electric three-way valve, and one output end of electric three-way valve is connected with liquid outlet pipe.

[0011] As a further scheme of the utility model: multiple temperature guide baffle one outer wall is provided with flow guide port, and multiple flow guide ports are divided into two groups of two directions inclination, and two groups of flow guide ports are staggered.

[0012] As a further scheme of the utility model: evaporation cavity bottom end is rotatably connected with rotating shaft, and rotating shaft side wall is connected with stirring blade, and stirring blade is internally provided with electric heating wire.

[0013] As a further scheme of the utility model: tower body bottom end outer wall is installed with motor, and motor output end is connected with rotating shaft, and evaporation cavity bottom end is provided with electric heating tube.

[0014] Compared with the prior art, the utility model provides a lubricating oil refining solvent recovery device, has the following beneficial effects:

[0015] 1. The utility model discloses a gas distributor, temperature guide baffle one and temperature guide baffle two can make steam enter the cooling cavity and distribute uniformly, and the contact area of steam and refrigerator is enlarged, and the cooling efficiency is improved.

[0016] 2. The utility model discloses a flow guide port, which makes steam flow collide in the cooling cavity to form turbulent flow, and makes the airflow mix with each other, promotes the uniform distribution of heat in the airflow, and further improves the cooling efficiency.

[0017] 3. The utility model discloses an electric heating wire, which synchronously heats the mixed liquid at different levels, makes the overall temperature of the mixed liquid rise faster, and speeds up the evaporation rate.

[0018] The part not involved in the device is the same as or can be realized by the prior art, and the utility model has the advantages of simple structure and convenient operation. ACCURACY

[0019] Figure 1 The utility model proposes a kind of overall structure schematic diagram of lubricating oil refining solvent recovery device;

[0020] Figure 2 The utility model proposes a kind of internal structure schematic diagram of lubricating oil refining solvent recovery device;

[0021] Figure 3The utility model provides a kind of cross section structure schematic diagram of cooling cavity of lubricating oil refining solvent recovery unit.

[0022] Figure 4 The utility model provides a kind of cross section structure schematic diagram of stirring blade of lubricating oil refining solvent recovery unit.

[0023] In the drawing: 1, tower body;2, feed pipe;3, steam pipe one;4, steam pipe two;5, evaporation cavity;6, cooling cavity;7, return pipe;8, electric three-way valve;9, liquid outlet pipe;10, gas distributor;11, refrigerator;12, temperature guide baffle one;13, temperature guide baffle two;14, rotating shaft;15, stirring blade;16, motor;17, electric heating tube;18, flow guide;19, electric heating wire. Specific embodiments

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0026] Embodiment 1

[0027] A kind of lubricating oil refining solvent recovery unit, such as Figures 1 to 3As shown, including tower body 1, the tower body 1 inside is provided with evaporation cavity 5 and cooling cavity 6, the evaporation cavity 5 bottom end one side is provided with feed pipe 2, the evaporation cavity 5 top end one side is provided with steam pipe one 3 and steam pipe two 4, the steam pipe two 4 other end is connected with cooling cavity 6, the feed pipe 2, steam pipe one 3 and steam pipe two 4 middle section are all provided with electric control valve, the cooling cavity 6 top end is provided with temperature guide baffle one 12, the temperature guide baffle one 12 top end is installed with refrigerator 11, the temperature guide baffle one 12 bottom end outer wall is connected with multiple temperature guide baffles two 13, the cooling cavity 6 side wall is provided with gas distributor 10, the gas distributor 10 is communicated with steam pipe two 4, multiple temperature guide baffles two 13 are parallel arrangement, and temperature guide baffle two 13 and the outlet of gas distributor 10 are perpendicular to the direction, the cooling cavity 6 bottom end is communicated with evaporation cavity 5 through reflux pipe 7, the reflux pipe 7 middle section is provided with electric three-way valve 8, one output end of electric three-way valve 8 is connected with liquid outlet pipe 9, multiple temperature guide baffle one 12 outer walls are all provided with flow guide port 18, multiple flow guide ports 18 are divided into two groups of two directions oblique, and two groups of flow guide ports 18 are staggered to the direction, the evaporation cavity 5 bottom end is rotatably connected with rotating shaft 14, the rotating shaft 14 side wall is connected with stirring blade 15, the tower body 1 bottom end outer wall is installed with motor 16, the motor 16 output end is connected with rotating shaft 14, the evaporation cavity 5 bottom end is provided with electric heating tube 17.

[0028] The mixed liquid enters the evaporation cavity 5 through the feed pipe 2, the electric heating tube 17 heats and evaporates the mixed liquid, and the impurities with lower boiling points are first discharged through the steam pipe one 3. At the same time, the motor 16 drives the rotating shaft 14 to rotate, so that the stirring blade 15 stirs the mixed liquid in the evaporation cavity 5. After a period of time of removing impurities, the temperature in the evaporation cavity 5 is increased to evaporate the solvent. The steam enters the cooling cavity 6 through the steam pipe two 4 and the gas distributor 10. The cooling cavity 6 uniformly distributes the steam, the refrigerator 11 cools, the temperature guide baffle one 12 and the temperature guide baffle two 13 guide the temperature, the contact area between the refrigerator 11 and the steam is expanded, the flow guide port 18 guides the steam flow, the steam flow collides multiple times in the cooling cavity 6 to form turbulent flow, and the gas streams mix with each other, which promotes the uniform distribution of heat in the gas stream and further improves the cooling efficiency. After the solvent evaporates, the steam pipe two 4 is closed, the temperature of the electric heating tube 17 continues to rise, the residual mixed liquid is evaporated and discharged from the steam pipe one 3, and the reflux pipe 7 and the electric three-way valve 8 can make the condensed solvent in the cooling cavity 6 flow back into the evaporation cavity 5 to repeat evaporation and improve the purity. Finally, the solvent is discharged from the liquid outlet pipe 9.

[0029] By providing the gas distributor 10, the temperature guide baffle one 12 and the temperature guide baffle two 13, the steam can be uniformly distributed in the cooling cavity 6, and the contact area between the steam and the refrigerator 11 is expanded, so that the cooling efficiency is improved.

[0030] Through setting the flow guide 18, the steam flow collides multiple times in the cooling cavity 6 to form turbulent flow, and the air flows mix with each other, which promotes the uniform distribution of heat in the air flow, and further improves the cooling efficiency.

[0031] Embodiment 2

[0032] A lubricating oil refining solvent recovery device, the embodiment is based on the embodiment 1, make following improvement, as Figure 4 As shown in the figure, the stirring blade 15 is internally provided with an electric heating wire 19.

[0033] When the stirring blade 15 stirs the mixed liquid, the electric heating wire 19 is electrified and heated, and the mixed liquid at different levels is heated synchronously, so that the overall temperature of the mixed liquid is raised faster, and the evaporation rate is accelerated.

[0034] Through the electric heating wire 19, the mixed liquid at different levels is heated synchronously, so that the overall temperature of the mixed liquid is raised faster, and the evaporation rate is accelerated.

[0035] Working principle: the mixed liquid enters the evaporation cavity 5 through the feed pipe 2, the electric heating tube 17 heats and evaporates the mixed liquid, the impurities with lower boiling points are first discharged through the steam guide pipe one 3, at the same time, the motor 16 drives the rotating shaft 14 to rotate, so that the stirring blade 15 stirs the mixed liquid in the evaporation cavity 5, the electric heating wire 19 is electrified and heated, and the mixed liquid at different levels is heated synchronously; after a period of removing impurities, the temperature in the evaporation cavity 5 is increased, so that the solvent is evaporated, the steam enters the cooling cavity 6 through the steam guide pipe two 4 and the gas distributor 10, the cooling cavity 6 uniformly distributes the steam, the refrigerator 11 refrigerates, the temperature guide partition one 12 and the temperature guide partition two 13 guide the temperature, expand the contact surface between the refrigerator 11 and the steam, the flow guide 18 guides the steam flow, so that the steam flow collides multiple times in the cooling cavity 6 to form turbulent flow, and the air flows mix with each other, which promotes the uniform distribution of heat in the air flow, and further improves the cooling efficiency, after the solvent is evaporated, the steam guide pipe two 4 is closed, the temperature of the electric heating tube 17 continues to rise, so that the residual mixed liquid is evaporated and discharged from the steam guide pipe one 3, the reflux pipe 7 and the electric three-way valve 8 can make the condensed solvent in the cooling cavity 6 reflux into the evaporation cavity 5 to repeat evaporation and improve the purity, and finally discharged from the liquid outlet pipe 9.

[0036] The above only describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A lubricating oil finishing solvent recovery unit comprising a column body (1), characterised in that, The tower body (1) is internally provided with an evaporation cavity (5) and a cooling cavity (6), the cooling cavity (6) is provided with a temperature guide partition I (12) at the top end, the temperature guide partition I (12) is provided with a refrigerating device (11) at the top end, a plurality of temperature guide partition II (13) are connected to the outer wall of the bottom end of the temperature guide partition I (12), the cooling cavity (6) is provided with a gas distributor (10) on the side wall, the plurality of temperature guide partition II (13) are arranged in parallel, and the temperature guide partition II (13) and the gas outlet of the gas distributor (10) are vertically oriented.

2. A lubricating oil finishing solvent recovery unit according to claim 1 wherein, The evaporation cavity (5) is provided with a feed pipe (2) on one side of the bottom end, the evaporation cavity (5) is provided with a steam guide pipe I (3) and a steam guide pipe II (4) on one side of the top end, the other end of the steam guide pipe II (4) is connected with the cooling cavity (6), and the gas distributor (10) is communicated with the steam guide pipe II (4).

3. A lubricating oil finishing solvent recovery unit according to claim 2 wherein, The middle sections of the feed pipe (2), the steam guide pipe I (3) and the steam guide pipe II (4) are provided with electric control valves, and the bottom end of the cooling cavity (6) is communicated with the evaporation cavity (5) through a reflux pipe (7).

4. A lubricating oil finishing solvent recovery unit according to claim 3 wherein, The middle section of the reflux pipe (7) is provided with an electric three-way valve (8), one output end of the electric three-way valve (8) is connected with a liquid outlet pipe (9).

5. A lubricating oil finishing solvent recovery unit according to claim 1 wherein, The outer walls of the plurality of temperature guide partition I (12) are provided with flow guide openings (18), the plurality of flow guide openings (18) are divided into two groups inclined to two directions, and the two groups of flow guide openings (18) are staggered.

6. A lubricating oil finishing solvent recovery unit according to claim 1 wherein, The bottom end of the evaporation cavity (5) is rotatably connected with a rotating shaft (14), the side wall of the rotating shaft (14) is connected with a stirring blade (15), and the stirring blade (15) is internally provided with an electric heating wire (19).

7. A lubricating oil finishing solvent recovery unit according to claim 6 wherein, The bottom end of the tower body (1) is provided with an electric motor (16), the output end of the electric motor (16) is connected with the rotating shaft (14), and the bottom end of the evaporation cavity (5) is provided with an electric heating pipe (17).

Images